Note: Tap water is dangerous—it can contain amoebas (Naegleria fowleri) that are fatal if they reach the brain. Always use sterile water.
While decongestant sprays and pills offer quick relief, they often come with a catch: the dreaded "rebound congestion," where the stuffiness returns worse than before once the medication wears off. This phenomenon, known as rhinitis medicamentosa , has led many to seek out natural alternatives. natural nose unblocker